Issue #20962 has been updated by tompng (tomoya ishida). pull request https://github.com/ruby/ruby/pull/12384 ---------------------------------------- Bug #20962: Change in behaviour in 3.4.0rc1 of `Hash#inspect` https://bugs.ruby-lang.org/issues/20962#change-111064 * Author: aharan (Aidan Haran) * Status: Open * ruby -v: ruby 3.4.0rc1 (2024-12-12 master 29caae9991) +PRISM [aarch64-linux] * Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN ---------------------------------------- The output from `Hash#inspect` in v3.4.0rc1 does not match the documentation and is different from v3.3.6. <pre> # ruby -v ruby 3.4.0rc1 (2024-12-12 master 29caae9991) +PRISM [aarch64-linux] # irb irb(main):001> h = {foo: 0, bar: 1, baz: 2} => {foo: 0, bar: 1, baz: 2} irb(main):002> h.inspect => "{foo: 0, bar: 1, baz: 2}" irb(main):003> </pre> The documentation says that the output should be @"{:foo=>0, :bar=>1, :baz=>2}"@ https://github.com/ruby/ruby/blob/707c6420b1ea599c223a17781185c0b6fb0f3518/h... In Ruby v3.3.6 the output is: <pre> # ruby -v ruby 3.3.6 (2024-11-05 revision 75015d4c1f) [aarch64-linux] # irb irb(main):001> h = {foo: 0, bar: 1, baz: 2} => {:foo=>0, :bar=>1, :baz=>2} irb(main):002> h.inspect => "{:foo=>0, :bar=>1, :baz=>2}" </pre> -- https://bugs.ruby-lang.org/